Jacob Bryan Blumenthal, M.D.

Primary specialty

Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X

License

D0052243 Issued in MD

Practice address

10 N Greene St
Grecc (BT/18/GR)
Baltimore, MD 21201-1524

Phone

(410) 605-7000

Fax

(410) 605-7913

NPI assigned

Mar 27, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MD

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1143417600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1497715049",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10 N GREENE ST",
            "address_2": "GRECC (BT/18/GR)",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011524",
            "telephone_number": "410-605-7000",
            "fax_number": "410-605-7913"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10 N GREENE ST",
            "address_2": "GRECC (BT/18/GR)",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011524",
            "telephone_number": "410-605-7000",
            "fax_number": "410-605-7913"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BLUMENTHAL",
        "first_name": "JACOB",
        "middle_name": "BRYAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-27",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "MD",
            "license": "D0052243",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Myron Barry Blum, M.D.
• Robert William Blum, MD
• Rhona Lynn Bluman
• Michael Harris Blume, M.D.
• Terri L Blume, PA-C
• Roger Scott Blumenthal, M.D.
• Jasmine Blunt, DNP
• Maxcine Blunt
• Blush Beauty Bar, Inc.
• Pegah Blustein

• Geriatric Medicine (Internal Medicine) Physician in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Geriatric Medicine (Internal Medicine) Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.